Li Bo created HDFS-7653:
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Summary: Block Readers and Writers used in both client side and
datanode side
Key: HDFS-7653
URL: https://issues.apache.org/jira/browse/HDFS-7653
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Li Bo
Assignee: Li Bo
There're a lot of block read/write operations in HDFS-EC, for example, when
client writes a file in striping layout, client has to write several blocks to
several different datanodes; if a datanode wants to do an encoding/decoding
task, it has to read several blocks from itself and other datanodes, and writes
one or more blocks to itself or other datanodes.
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